In literature, the reason why a character says or does something is called a(n) conflict implication motive pitch

Cause because it's doing something or saying something that will have an effect

The answer is conflict my guy :^) 

Abecause you are smart at every thing

Ifound this on google “what are motifs? a motif is a literary term that is an idea, object, or concept that repeats itself throughout a text. a motif gives clues to theme or reinforces ideas an author wants to emphasize.” i hope this for what your looking for